US Bridges

Tackbrooke Drive over Rock Creek North Branch

Fair

Montgomery County, Maryland · North of Bowie Mill Road · Structure no. 200000M-0261010

Built
2002
23 years old
Condition
Fair
inspected August 2023
Type
Arch - Deck
Steel
Length
30 ft
1 main span
Daily traffic
67
2023 count
Owner
County
County Highway Agency

About this bridge

Tackbrooke Drive over Rock Creek North Branch is a steel arch - deck carrying Tackbrooke Drive over Rock Creek North Branch in Montgomery County, Maryland. It was built in 2002, so it is 23 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 67 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2043. The structure is 30 ft (9.2 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesTackbrooke Drive
CrossesRock Creek North Branch
LocationNorth of Bowie Mill Road
RouteCounty Highway 7582
CountyMontgomery County
StateMaryland
Coordinates39.16163, -77.10047
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating68.5 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2023)
Projected traffic100 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tackbrooke Drive over Rock Creek North Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is Tackbrooke Drive over Rock Creek North Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Tackbrooke Drive over Rock Creek North Branch carry?

About 67 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Tackbrooke Drive over Rock Creek North Branch?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Tackbrooke Drive over Rock Creek North Branch?

It is owned by the County Highway Agency.